[USN-7779-1] Linux kernel (IBM) vulnerabilities

Giampaolo Fresi Roglia giampaolo.fresi.roglia at canonical.com
Thu Sep 25 14:23:43 UTC 2025 

==========================================================================
Ubuntu Security Notice USN-7779-1
September 25, 2025

linux-ibm, linux-ibm-6.8 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

Several security issues were fixed in the Linux kernel.

Software Description:
- linux-ibm: Linux kernel for IBM cloud systems
- linux-ibm-6.8: Linux kernel for IBM cloud systems

Details:

Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
  - ARM32 architecture;
  - ARM64 architecture;
  - x86 architecture;
  - Compute Acceleration Framework;
  - Bus devices;
  - AMD CDX bus driver;
  - DPLL subsystem;
  - EFI core;
  - GPIO subsystem;
  - GPU drivers;
  - HID subsystem;
  - I2C subsystem;
  - InfiniBand drivers;
  - Multiple devices driver;
  - Network drivers;
  - Mellanox network drivers;
  - NVME drivers;
  - Pin controllers subsystem;
  - RapidIO drivers;
  - Voltage and Current Regulator drivers;
  - SCSI subsystem;
  - SLIMbus drivers;
  - QCOM SoC drivers;
  - UFS subsystem;
  - USB DSL drivers;
  - Renesas USBHS Controller drivers;
  - USB Type-C Connector System Software Interface driver;
  - Framebuffer layer;
  - ACRN Hypervisor Service Module driver;
  - Network file system (NFS) client;
  - Overlay file system;
  - Proc file system;
  - SMB network file system;
  - Memory Management;
  - Scheduler infrastructure;
  - SoC audio core drivers;
  - Perf events;
  - Tracing infrastructure;
  - Memory management;
  - 802.1Q VLAN protocol;
  - Asynchronous Transfer Mode (ATM) subsystem;
  - Bluetooth subsystem;
  - Devlink API;
  - IPv4 networking;
  - IPv6 networking;
  - Logical Link layer;
  - Management Component Transport Protocol (MCTP);
  - Multipath TCP;
  - Netfilter;
  - Network traffic control;
  - Switch device API;
  - Wireless networking;
  - eXpress Data Path;
(CVE-2025-22017, CVE-2025-22003, CVE-2025-22009, CVE-2025-22015,
CVE-2025-21934, CVE-2025-21908, CVE-2025-21885, CVE-2025-21979,
CVE-2025-21887, CVE-2025-21922, CVE-2025-21944, CVE-2025-21905,
CVE-2025-21969, CVE-2025-21904, CVE-2025-21926, CVE-2025-21951,
CVE-2025-21997, CVE-2025-21920, CVE-2025-21994, CVE-2025-21977,
CVE-2025-21976, CVE-2025-21975, CVE-2025-21972, CVE-2025-22013,
CVE-2025-21894, CVE-2025-21963, CVE-2025-21978, CVE-2025-38569,
CVE-2025-21936, CVE-2025-21873, CVE-2025-22010, CVE-2025-21981,
CVE-2025-22005, CVE-2025-21959, CVE-2025-21929, CVE-2025-21927,
CVE-2025-21966, CVE-2025-22008, CVE-2025-21957, CVE-2025-21970,
CVE-2025-21968, CVE-2025-21889, CVE-2025-22047, CVE-2025-21881,
CVE-2025-21956, CVE-2025-22011, CVE-2025-21986, CVE-2025-21892,
CVE-2025-21964, CVE-2025-21899, CVE-2025-21877, CVE-2025-21875,
CVE-2025-21912, CVE-2025-22001, CVE-2025-38350, CVE-2025-21991,
CVE-2025-21930, CVE-2025-21962, CVE-2025-21880, CVE-2024-57996,
CVE-2025-21914, CVE-2025-22014, CVE-2025-21888, CVE-2025-21955,
CVE-2025-21937, CVE-2025-21924, CVE-2025-21895, CVE-2025-21947,
CVE-2025-21946, CVE-2025-21878, CVE-2025-21918, CVE-2025-21913,
CVE-2025-21945, CVE-2025-37752, CVE-2025-21935, CVE-2025-21950,
CVE-2025-21960, CVE-2024-58090, CVE-2025-21992, CVE-2025-21961,
CVE-2025-21948, CVE-2025-21982, CVE-2025-21910, CVE-2025-21909,
CVE-2025-21925, CVE-2025-37889, CVE-2025-21967, CVE-2025-21898,
CVE-2025-22007, CVE-2025-21995, CVE-2025-22016, CVE-2025-21891,
CVE-2025-21911, CVE-2025-21890, CVE-2025-21999, CVE-2025-22004,
CVE-2025-21915, CVE-2025-21996, CVE-2025-21980, CVE-2025-21903,
CVE-2025-21916, CVE-2025-21941, CVE-2025-21928, CVE-2025-21919,
CVE-2025-21883, CVE-2025-21872, CVE-2025-21917)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
  linux-image-6.8.0-1037-ibm      6.8.0-1037.37
  linux-image-ibm                 6.8.0-1037.37
  linux-image-ibm-6.8             6.8.0-1037.37
  linux-image-ibm-classic         6.8.0-1037.37
  linux-image-ibm-lts-24.04       6.8.0-1037.37

Ubuntu 22.04 LTS
  linux-image-6.8.0-1037-ibm      6.8.0-1037.37~22.04.1
  linux-image-ibm-6.8             6.8.0-1037.37~22.04.1

After a standard system update you need to reboot your computer to make
all the necessary changes.

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References:
  https://ubuntu.com/security/notices/USN-7779-1
  CVE-2024-57996, CVE-2024-58090, CVE-2025-21872, CVE-2025-21873,
  CVE-2025-21875, CVE-2025-21877, CVE-2025-21878, CVE-2025-21880,
  CVE-2025-21881, CVE-2025-21883, CVE-2025-21885, CVE-2025-21887,
  CVE-2025-21888, CVE-2025-21889, CVE-2025-21890, CVE-2025-21891,
  CVE-2025-21892, CVE-2025-21894, CVE-2025-21895, CVE-2025-21898,
  CVE-2025-21899, CVE-2025-21903, CVE-2025-21904, CVE-2025-21905,
  CVE-2025-21908, CVE-2025-21909, CVE-2025-21910, CVE-2025-21911,
  CVE-2025-21912, CVE-2025-21913, CVE-2025-21914, CVE-2025-21915,
  CVE-2025-21916, CVE-2025-21917, CVE-2025-21918, CVE-2025-21919,
  CVE-2025-21920, CVE-2025-21922, CVE-2025-21924, CVE-2025-21925,
  CVE-2025-21926, CVE-2025-21927, CVE-2025-21928, CVE-2025-21929,
  CVE-2025-21930, CVE-2025-21934, CVE-2025-21935, CVE-2025-21936,
  CVE-2025-21937, CVE-2025-21941, CVE-2025-21944, CVE-2025-21945,
  CVE-2025-21946, CVE-2025-21947, CVE-2025-21948, CVE-2025-21950,
  CVE-2025-21951, CVE-2025-21955, CVE-2025-21956, CVE-2025-21957,
  CVE-2025-21959, CVE-2025-21960, CVE-2025-21961, CVE-2025-21962,
  CVE-2025-21963, CVE-2025-21964, CVE-2025-21966, CVE-2025-21967,
  CVE-2025-21968, CVE-2025-21969, CVE-2025-21970, CVE-2025-21972,
  CVE-2025-21975, CVE-2025-21976, CVE-2025-21977, CVE-2025-21978,
  CVE-2025-21979, CVE-2025-21980, CVE-2025-21981, CVE-2025-21982,
  CVE-2025-21986, CVE-2025-21991, CVE-2025-21992, CVE-2025-21994,
  CVE-2025-21995, CVE-2025-21996, CVE-2025-21997, CVE-2025-21999,
  CVE-2025-22001, CVE-2025-22003, CVE-2025-22004, CVE-2025-22005,
  CVE-2025-22007, CVE-2025-22008, CVE-2025-22009, CVE-2025-22010,
  CVE-2025-22011, CVE-2025-22013, CVE-2025-22014, CVE-2025-22015,
  CVE-2025-22016, CVE-2025-22017, CVE-2025-22047, CVE-2025-37752,
  CVE-2025-37889, CVE-2025-38350, CVE-2025-38569

Package Information:
  https://launchpad.net/ubuntu/+source/linux-ibm/6.8.0-1037.37
  https://launchpad.net/ubuntu/+source/linux-ibm-6.8/6.8.0-1037.37~22.04.1

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